阅读理解Hong Kong has about 40 public(公共的) beaches. Some of the beaches are among the best in the world. People can go there for a swim. You can go to most of them by bus. To go to some beaches, you must take a boat. There are toilets, changing rooms and places to buy food and drink on most of the beaches.
You will swim there without danger if you remember these instructions: 1. Never swim alone. 2. Never swim after a meal or when feel hungry or tired. 3. Do not stay in the water too long. 4. Never go out in a boat if you cannot swim.
Remember: A red flag (旗帜) means that it is dangerous for anybody to go into the water. A blue flag means that it is dangerous for children.1.There are _______ public beaches in Hong Kong.A.about forty B. about fifty C. about thirty D. about twenty2.We can get to ________ by bus.A.all the public beachesB.a few public beachesC.many public beachesD.most of the public beaches3.It’s dangerous for children to swim when you see ________.A.a red flagB.a yellow flagC.a blue flagD.an orange flag4.When you see a red flag, you know that __________ there.A.women should not swimB.children should not swimC.nobody should swimD.anybody can swim5.The passage mainly tells us _______ in Hong Kong.A.the public beaches and swimmingB.the danger of swimmingC.the best beachesD.the difficulties to go swimming
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ADCCA解析这是一篇常识文，写了在游泳时的注意事项。
1.细节理解题 由第一句“Hong Kong has about 40 public(公共的) beaches”得知。
2.细节理解题 由“You can go to most of them by bus”得知。
3.细节理解题 由“A blue flag means that it is dangerous for children”得知。
4.推理判断题 由“A red flag (旗帜) means that it is dangerous for anybody to go into the water”得知，“a red flag (旗帜)”是危险的，所以没有人去哪儿。
5.推理判断题 通读全文得知。